<template>
  <div class="app-container">
    <!--    查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="courseQuery.title" placeholder="课程标题"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="courseQuery.status" clearable placeholder="发布状态">
          <el-option :value="'Draft'" label="未发布"/>
          <el-option :value="'Normal'" label="已发布"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="courseQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="courseQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <!--    数据表格-->
    <el-table :data="list" border fit highlight-current-row>
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (current - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="title" label="名称" width="200px"/>
      <el-table-column prop="buyCount" label="销售数量"/>
      <el-table-column prop="viewCount" label="浏览数量"/>
      <el-table-column prop="price" label="课程售价">
        <template slot-scope="scope">
          {{ scope.row.price===0 ?'免费':scope.row.price }}
        </template>
      </el-table-column>
      <el-table-column prop="lessonNum" label="总课时" width="100"/>
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <span :class="scope.row.status==='Draft' ? 'Draft':'Normal'">
          {{ scope.row.status==='Draft' ? '未发布':'已发布' }}
          </span>
        </template>
      </el-table-column>


      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <!--          路由跳转 携带id-->
          <router-link :to="'/edu/course/info/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="remove(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--        分页 当前页 页大小 总记录数-->
    <el-pagination
      :current-page="current"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="prev, pager, next, total, jumper"
      @current-change="getList">
    </el-pagination>
  </div>
</template>

<script>
  import { courseList, deleteCourse } from '@/api/edu/course'

  export default {
    data() {
      return {
        loading: true,
        list: null,
        current: 1,
        total: 0,
        limit: 5,
        courseQuery: {}
      }
    },
    created() {
      this.getList()
    },
    methods: {

      getList(current = 1) {
        // console.log(this.courseQuery)
        this.current = current
        courseList(current, this.limit, this.courseQuery).then(response => {
          this.loading = false
          this.list = response.data.courseList
          this.total = response.data.total
        })
      },
      resetData() {
        this.courseQuery = {}
        this.getList(1)
      },
      remove(courseId) {
        this.$confirm('此操作将删除此项, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          deleteCourse(courseId).then(response => {
            this.$message.success('删除成功!')
            this.getList()
          }).catch(error => {
            this.getList()
          })
        })

      }
    }
  }
</script>

<style scoped>
  .Draft {
    color: #ff0047;
    font-size: 14px;
  }

  .Normal {
    color: deepskyblue;
    font-size: 14px;
  }
</style>
